7 letter words:
forfeit13,
6 letter words:
knifer13,
effort12,
niffer12,
reknit10,
reknot10,
tinker10,
forint9,
norite6,
orient6,
tonier6,
5 letter words:
kefir12,
knife12,
fifer11,
offer11,
eikon9,
enoki9,
inker9,
kiter9,
koine9,
krone9,
reink9,
token9,
toker9,
trike9,
troke9,
feint8,
fetor8,
finer8,
forte8,
front8,
infer8,
often8,
ofter8,
refit8,
inert5,
inter5,
intro5,
irone5,
niter5,
nitre5,
nitro5,
noter5,
tenor5,
toner5,
trine5,
trone5,
4 letter words:
fink11,
fork11,
kerf11,
kief11,
fief10,
fife10,
riff10,
teff10,
tiff10,
toff10,
ikon8,
keir8,
keno8,
kent8,
kern8,
keto8,
kier8,
kine8,
kino8,
kirn8,
kite8,
knit8,
knot8,
kore8,
oink8,
rink8,
tike8,
toke8,
trek8,
fern7,
fine7,
fino7,
fire7,
firn7,
foin7,
font7,
fore7,
fort7,
fret7,
frit7,
froe7,
info7,
neif7,
reft7,
reif7,
rife7,
rift7,
tref7,
inro4,
into4,
iron4,
nite4,
noir4,
nori4,
note4,
rein4,
rent4,
riot4,
rite4,
rote4,
roti4,
tern4,
tier4,
tine4,
tire4,
tiro4,
tone4,
tore4,
tori4,
torn4,
trio4,
3 letter words:
kef10,
kif10,
eff9,
iff9,
off9,
ink7,
irk7,
ken7,
kin7,
kir7,
kit7,
koi7,
kor7,
oke7,
eft6,
fen6,
fer6,
fet6,
fie6,
fin6,
fir6,
fit6,
foe6,
fon6,
for6,
fro6,
oft6,
ref6,
rif6,
eon3,
ern3,
ion3,
ire3,
net3,
nit3,
nor3,
not3,
one3,
ore3,
ort3,
rei3,
ret3,
rin3,
roe3,
rot3,
ten3,
tie3,
tin3,
toe3,
ton3,
tor3,
2 letter words:
ki6,
ef5,
fe5,
if5,
of5,
en2,
er2,
et2,
in2,
it2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,
ti2,
to2,